Home / 210,824.60-316,236.90-105,848.60

Finding the Fourth Proportional to 210,824.60, 316,236.90 and 105,848.60

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Solution

The fourth proportional to 210,824.60, 316,236.90 and 105,848.60 is: 158,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,824.60 : 316,236.90 = 105,848.60 : x
  2. Step 2: Convert to fraction form
    210,824.60/316,236.90 = 105,848.60/x
  3. Step 3: Cross multiply
    210,824.60x = 316,236.90 × 105,848.60
  4. Step 4: Simplify right side
    210,824.60x = 33,473,233,133.34
  5. Step 5: Solve for x
    x = 33,473,233,133.34/210,824.60
  6. Step 6: Final answer
    x = 158,772.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.